RE: x-display-pixel-width/height inconsistency

[Drew Adams]

> > This is also a W32:ism, as other systems allow moving of frames without
> > using the caption
> 
> On Windows it is perfectly possible to move a "frame" without the
> mouse, using keyboard shortcuts, even if it is outside the screen. But
> I bet many users don't remember how to do it.

If this is a problem then just provide an Emacs command to do it.
Not a big deal: Let the user choose the frame (e.g., by name).
If it is off-screen then move it on-screen.